Takamine Kiyomaro, a depressed don't-care-about-the-world guy, was suddenly given a little demon named Gash Bell to take care of. Little does he know that Gash is embroiled into an intense fight to see who is the ruler of the demon world.

In the peaceful aftermath of the Nozsa wars, the charismatic heroes known as "The White Knights" have changed career paths to becoming music making rockstars. J.J., Dave, Champ and Apple have formed a rock band called, "The White Nuts".

Zoids are beast-like fighting machines used in both everyday use such as transportation, and special use such as war. Some types of Zoids, know as Organoids, are miniature Zoids that are living organisms.

R.D. is a delivery boy who works for a company called Mach Storm in order to earn money to search for the legendary Alpha Zoid. A Zoid that he heard rumours about from his dad that he passionately believes in.

Ryu and Ken Masters are close friends and both are martial artists. In order to become better fighters and learn new techniques, they travel the world and are exposed to many different fighting styles, as well as meeting new people.